Some papers have raised a lot of concerns about relation among the prevalence of metabolic syndrome, serum ferritin and metabolic syndrome. Accordingly, we researched relation between the prevalence of metabolic syndrome and iron state. Methods A group of 1304 test subjects were gathered in university student medical examination in Sungnam metropolitan city. BIA for body position, body size and blood test were estimated. Results & conclusions The study represents an adult population of young people in their twenties. Therefore there is so little level for prevalence of metabolic syndrome than have ever known things. And actually, metabolic syndrome was closely connected with so high iron state.